Regular exercise enriches and stabilizes the gut microbiome diversity by altering the composition of gut bacteria. ¹
Researcher and Associate Professor Mitsuharu Matsumoto was the first to find that 5 weeks of exercise-training resulted in an increase in the bacteria metabolite butyrate. Butyrate is a short chain fatty acid (SCFA) that strengthens the gut lining and prevents gut inflammation. Specifically, exercise increases the number of butyrate producing microbes. ²
Furthermore, a study comparing rugby players to sedentary individuals conclusively showed — across age, size, and gender — that the athletes had a significantly more diverse microbiome when compared compared to their counterparts who had a sedentary lifestyle. ³
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